Siemens SINUMERIK 808D, Руководство по обслуживанию

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Service Manual
14
01/2017
3. Check the PLC interface status in the following window:
①
: Address of the key (DB1000.DBX3.5)
②
: Address of the key (DB1000.DBX3.3)
•
If the PLC status bit changes after you press the corresponding key, it suggests the key
functions correctly. In this case, make further observation to see if there are other alarms
or whether the PLC program is correct in a different position.
•
If the PLC status bit does not change after you press the corresponding key, replacement
and maintenance are necessary because the key is damaged.
3.5 RS232 transmission fault (PPU160.2 only)
Note
The RS232 interface is available on the PPU160.2 only.
Fault description
Data transmission is not possible via the RS232 interface.
Diagnostic steps
1.
Check the RS232 communication settings on the PPU for the following:
• Whether the communication is activated
• Whether the communication parameters match the PC terminal
• Whether the X2 interface on the PPU is loose
• Whether the cable of RS232 is damaged
• Whether the RS232 interface of the PC terminal is damaged
2. Replacement and maintenance are necessary if the fault still exists after the above inspection, because probably the
PPU is damaged.
Perform the following PPU operations to configure the RS232 communication settings:
● Using the RS232 interface to establish connection with PLC Programming Tool
+ → → →
● Using the RS232 interface to establish connection with the SinuComPCIN
→ →